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<meta http-equiv="Content-Type" content="textml; charset=utf-8"> 
<title>js获取日期：前天、昨天、今天、明天、后天 - Liehuo.Net</title> 
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<script language="JavaScript" type="text/javascript"> 
	function GetDateStr(AddDayCount) { 
		var dd = new Date(); 
		dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天后的日期 
		var y = dd.getFullYear(); 
		var m = dd.getMonth()+1;//获取当前月份的日期 
		var d = dd.getDate(); 
		return y+"-"+m+"-"+d; 
	} 
	
	document.write("大前天："+GetDateStr(-3)); 
	document.write("前天："+GetDateStr(-2)); 
	document.write("<br />昨天："+GetDateStr(-1)); 
	document.write("<br />今天："+GetDateStr(0)); 
	document.write("<br />明天："+GetDateStr(1)); 
	document.write("<br />后天："+GetDateStr(2)); 
	document.write("<br />大后天："+GetDateStr(3)); 
</script> 

</body> 